American Black Duck vs Hooded Merganser
Anas rubripes comparado con Lophodytes cucullatus
Side-by-Side Comparison
| Atributo | American Black Duck | Hooded Merganser |
|---|---|---|
| Nombre científico | Anas rubripes | Lophodytes cucullatus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 53,4 cm (21.0 in) | 37,3 cm (14.7 in) |
| Peso | 1211,25 g (42.73 oz) | 638,0 g (22.50 oz) |
| Dieta | Eats fish and aquatic invertebrates; dives in coastal and freshwater habitats; diet shifts toward molluscs … | Dives for small fish, aquatic invertebrates, and frogs in clear freshwater streams and ponds. Uses … |
| Tamaño de la puesta | 1-17 | 6-18 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
American Black Duck only
Hooded Merganser only
Ninguno
American Black Duck
Freshwater and brackish wetlands in eastern North America from Atlantic Canada south along the coast to Georgia. Breeds in northern bogs and wetlands. Winters on coastal marshes, estuaries, and freshwater lakes.
Song & Call Comparison
American Black Duck
Female produces a loud, deep quacking series; male gives a low, raspy grunt. Voice is deeper and huskier than a Mallard; pairs call powerfully across northeastern North American wetlands.
Hooded Merganser
Male produces a low, rolling rolling-tum tumbling call; female gives a harsh, grating quack. The male's frog-like rolling call is unique among North American ducks during winter courtship.
Geographic Range & Migration
American Black Duck
Breeds in the steppe zone of Central Asia; winters in South Asia, East Africa, and coastal Southeast Asia.
Hooded Merganser
Breeds in forested wetlands of North America from southern Canada to the northern United States. Winters on rivers and lakes south to Mexico.
Estado de conservación
American Black Duck
Hooded Merganser
How to Tell Them Apart
American Black Duck
Sooty dark brown body; head and neck paler buff with dark streaking. Iridescent purple speculum without white border. Males have yellow-green bill; females olive with orange blotches. Silvery underwings in …
Hooded Merganser
Male has fan-shaped black-and-white erectile crest; black head and neck, white breast with two black bars, rich cinnamon flanks. Female is greyish-brown with rusty-cinnamon crest, paler below.
About These Birds
American Black Duck
El pato negro americano es un gran pato de color marrón muy oscuro con una cabeza más clara y un llamativo espéculo alar púrpura. Habita en humedales del este de Norteamérica y se está hibridando cada vez más con el pato de collar introducido en su rango, lo que representa una amenaza para su pureza genética. Prefiere marismas costeras, pantanos boscosos y lagos tranquilos.
Hooded Merganser
El merganso copetón es un pequeño y vistoso merganso de América del Norte con un gran y llamativo moño redondeado que el macho puede desplegar como un abanico, mostrando su centro blanco rodeado de negro. Cría en cavidades de árboles cerca de pequeños lagos y ríos boscosos. Es un experto pescador que captura peces y crustáceos en aguas claras.